- All sections
- C - Chemistrymetallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metalsapparatus therefor
- C25B 13/02 - DiaphragmsSpacing elements characterised by shape or form
Patent holdings for IPC class C25B 13/02
Total number of patents in this class: 723
10-year publication summary
|
27
|
20
|
20
|
30
|
31
|
46
|
81
|
112
|
159
|
64
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Asahi Kasei Kabushiki Kaisha | 2779 |
41 |
| Reinz-Dichtungs-GmbH | 281 |
31 |
| Agfa-Gevaert | 296 |
18 |
| LG Chem, Ltd. | 17822 |
16 |
| Panasonic Intellectual Property Management Co., Ltd. | 33507 |
16 |
| Toshiba Corporation | 12691 |
13 |
| Toray Industries, Inc. | 7038 |
13 |
| Twelve Benefit Corporation | 158 |
13 |
| de Nora Permelec Ltd | 162 |
12 |
| Uop LLC | 4309 |
11 |
| Tokuyama Corporation | 1453 |
11 |
| NGK Insulators, Ltd. | 5199 |
10 |
| FUJIFILM Corporation | 30244 |
9 |
| Samsung Electro-mechanics Co., Ltd. | 5860 |
9 |
| Kyocera Corporation | 14242 |
9 |
| Johnson Matthey Hydrogen Technologies Limited | 131 |
9 |
| Hysata Pty Ltd | 25 |
9 |
| Robert Bosch GmbH | 43587 |
8 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6206 |
8 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11010 |
7 |
| Other owners | 450 |